SERVER

Knowledge Graph RDBMS

Rank #63,715

io.github.cunicopia-dev/knowledge-graph-rdbms

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

1 version

1 GitHub stars

by cunicopia-dev (4 servers)View repository ↗Claim this server

Listed & last published

Jun 25, 2026

OVERVIEW

Knowledge Graph RDBMS is a Model Context Protocol (MCP) server published by cunicopia-dev. It ranks #63,715 of 132,113 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Knowledge Graph RDBMS is listed across 3 registries — Official MCP, PulseMCP and Glama, with 1 tracked version. It was first listed on Jun 25, 2026 and most recently updated on Jun 25, 2026.

STANDING

#63,715of 132,113 tracked serversTop 50%

Ranks ahead of 68,398 of 132,113 servers on MCP Toplist.

CONNECT

Use Knowledge Graph RDBMS

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Python package (PyPI)

claude mcp add knowledge-graph-rdbms -e "KGRDBMS_HOME=<your KGRDBMS_HOME>" -e "KGRDBMS_DEFAULT_ONTOLOGY=<your KGRDBMS_DEFAULT_ONTOLOGY>" -- uvx knowledge-graph-rdbms --from "knowledge-graph-rdbms[mcp]" kgrdbms-mcp

Replace each placeholder with your own value before saving.

Python package (PyPI)

[mcp_servers.knowledge-graph-rdbms]
command = "uvx"
args = ["knowledge-graph-rdbms", "--from", "knowledge-graph-rdbms[mcp]", "kgrdbms-mcp"]

[mcp_servers.knowledge-graph-rdbms.env]
KGRDBMS_HOME = "<your KGRDBMS_HOME>"
KGRDBMS_DEFAULT_ONTOLOGY = "<your KGRDBMS_DEFAULT_ONTOLOGY>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ],
      "env": {
        "KGRDBMS_HOME": "<your KGRDBMS_HOME>",
        "KGRDBMS_DEFAULT_ONTOLOGY": "<your KGRDBMS_DEFAULT_ONTOLOGY>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ],
      "env": {
        "KGRDBMS_HOME": "<your KGRDBMS_HOME>",
        "KGRDBMS_DEFAULT_ONTOLOGY": "<your KGRDBMS_DEFAULT_ONTOLOGY>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "servers": {
    "knowledge-graph-rdbms": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ],
      "env": {
        "KGRDBMS_HOME": "<your KGRDBMS_HOME>",
        "KGRDBMS_DEFAULT_ONTOLOGY": "<your KGRDBMS_DEFAULT_ONTOLOGY>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ],
      "env": {
        "KGRDBMS_HOME": "<your KGRDBMS_HOME>",
        "KGRDBMS_DEFAULT_ONTOLOGY": "<your KGRDBMS_DEFAULT_ONTOLOGY>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "knowledge-graph-rdbms": {
      "command": "uvx",
      "args": [
        "knowledge-graph-rdbms",
        "--from",
        "knowledge-graph-rdbms[mcp]",
        "kgrdbms-mcp"
      ],
      "env": {
        "KGRDBMS_HOME": "<your KGRDBMS_HOME>",
        "KGRDBMS_DEFAULT_ONTOLOGY": "<your KGRDBMS_DEFAULT_ONTOLOGY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.cunicopia-dev%2Fknowledge-graph-rdbms.svg)](https://mcptoplist.com/server/io.github.cunicopia-dev%2Fknowledge-graph-rdbms)

HTML

<a href="https://mcptoplist.com/server/io.github.cunicopia-dev%2Fknowledge-graph-rdbms"><img src="https://mcptoplist.com/badge/io.github.cunicopia-dev%2Fknowledge-graph-rdbms.svg" alt="MCP Toplist: Top 50% of 132,113" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 3 registries

PulseMCP

Official MCP

Glama

ORGANIZATION

cunicopia-dev

Organization

cunicopia-dev

Servers in org

Versions across org

Other servers by cunicopia-dev

View all cunicopia-dev servers →

VERSIONS

Available versions (1)

Version	Published
0.1.9	Jun 25, 2026

FAQ

Frequently asked questions

Who maintains Knowledge Graph RDBMS?: Knowledge Graph RDBMS is maintained by cunicopia-dev, which publishes 4 MCP servers (4 total versions) tracked on MCP Toplist.
Is Knowledge Graph RDBMS listed on the Official MCP Registry?: Yes — Knowledge Graph RDBMS is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does Knowledge Graph RDBMS have?: MCP Toplist tracks 1 version of Knowledge Graph RDBMS, most recently published on Jun 25, 2026.
Where can I find the source code for Knowledge Graph RDBMS?: The source code for Knowledge Graph RDBMS is hosted at github.com/cunicopia-dev/knowledge-graph-rdbms.

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